111948981596 has 12 divisors (see below), whose sum is σ = 196617978648. Its totient is φ = 55772416272.

The previous prime is 111948981577. The next prime is 111948981631. The reversal of 111948981596 is 695189849111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50517386 + ... + 50519601.

It is an arithmetic number, because the mean of its divisors is an integer number (16384831554).

Almost surely, 2^111948981596 is an apocalyptic number.

It is an amenable number.

111948981596 is a deficient number, since it is larger than the sum of its proper divisors (84668997052).

111948981596 is a wasteful number, since it uses less digits than its factorization.

111948981596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101037268 (or 101037266 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 62.

The spelling of 111948981596 in words is "one hundred eleven billion, nine hundred forty-eight million, nine hundred eighty-one thousand, five hundred ninety-six".